As far as secrets that absolutely no one knows about - no, I actually don't think I do...at least one person knows even my worst "secret."
Oh - actually I have one...and even then I'm not sure that one or two other people don't know....
I may never know, and even though I've wanted to tell folks for a while - I don't.
I'm such an open person - I was actually really excited when I realized I had some "secrets" lol...